1 #!/bin/sh 2 # LLVM LOCAL file B&I 3 4 set -x 5 6 # Build LLVM the "Apple way". 7 # Parameters: 8 9 # The first parameter is a space-separated list of the architectures the 10 # compilers will run on. For instance, "ppc i386". If the current machine 11 # isn't in the list, it will (effectively) be added. 12 HOSTS="$1" 13 14 # The second parameter is a space-separated list of the architectures the 15 # compilers will generate code for. If the current machine isn't in the list, a 16 # compiler for it will get built anyway, but won't be installed. 17 # FIXME: The list of targets is currently hard-coded and TARGETS is not used. 18 TARGETS="$2" 19 20 # The third parameter is the path to the compiler sources. There should be a 21 # shell script named 'configure' in this directory. This script makes a copy... 22 ORIG_SRC_DIR="$3" 23 24 # The fourth parameter is the location where the LLVM will be installed. You can 25 # move it once it's built, so this mostly controls the layout of $DEST_DIR. 26 DEST_ROOT="$4" 27 28 # The fifth parameter is the place where the compiler will be copied once it's 29 # built. 30 DEST_DIR="$5" 31 32 # The sixth parameter is a directory in which to place information (like 33 # unstripped executables and generated source files) helpful in debugging the 34 # resulting compiler. 35 SYM_DIR="$6" 36 37 # The seventh parameter is a yes/no that indicates whether assertions should be 38 # enabled in the LLVM libs/tools. 39 LLVM_ASSERTIONS="$7" 40 41 # The eighth parameter is a yes/no that indicates whether this is an optimized 42 # build. 43 LLVM_OPTIMIZED="$8" 44 45 # The ninth parameter is a yes/no that indicates whether libLTO.dylib 46 # should be installed. 47 INSTALL_LIBLTO="$9" 48 49 # A yes/no parameter that controls whether to cross-build for an ARM host. 50 ARM_HOSTED_BUILD="${10}" 51 52 # A yes/no parameter that controls whether to cross-build for the iOS simulator 53 IOS_SIM_BUILD="${11}" 54 55 # The version number of the submission, e.g. 1007. 56 LLVM_SUBMIT_VERSION="${12}" 57 58 # The subversion number of the submission, e.g. 03. 59 LLVM_SUBMIT_SUBVERSION="${13}" 60 61 # The current working directory is where the build will happen. It may already 62 # contain a partial result of an interrupted build, in which case this script 63 # will continue where it left off. 64 DIR=`pwd` 65 66 DARWIN_VERS=`uname -r | sed 's/\..*//'` 67 echo DARWIN_VERS = $DARWIN_VERS 68 69 ################################################################################ 70 # Run the build. 71 72 # Create the source tree we'll actually use to build, deleting 73 # tcl since it doesn't actually build properly in a cross environment 74 # and we don't really need it. 75 SRC_DIR=$DIR/src 76 rm -rf $SRC_DIR || exit 1 77 mkdir $SRC_DIR || exit 1 78 ln -s $ORIG_SRC_DIR/* $SRC_DIR/ || exit 1 79 # We can't use the top-level Makefile as-is. Remove the soft link: 80 rm $SRC_DIR/Makefile || exit 1 81 # Now create our own by editing the top-level Makefile, deleting every line marked "Apple-style": 82 sed -e '/[Aa]pple-style/d' -e '/include.*GNUmakefile/d' $ORIG_SRC_DIR/Makefile > $SRC_DIR/Makefile || exit 1 83 84 # Build the LLVM tree universal. 85 mkdir -p $DIR/obj-llvm || exit 1 86 cd $DIR/obj-llvm || exit 1 87 88 if [ "$ARM_HOSTED_BUILD" = yes ]; then 89 # The cross-tools' build process expects to find an existing cross toolchain 90 # under names like 'arm-apple-darwin$DARWIN_VERS-as'; so make them. 91 rm -rf $DIR/bin || exit 1 92 mkdir $DIR/bin || exit 1 93 for prog in ar nm ranlib strip lipo ld as ; do 94 P=$DIR/bin/arm-apple-darwin$DARWIN_VERS-${prog} 95 T=`xcrun -sdk $SDKROOT -find ${prog}` 96 echo '#!/bin/sh' > $P || exit 1 97 echo 'exec '$T' "$@"' >> $P || exit 1 98 chmod a+x $P || exit 1 99 done 100 # Try to use the platform llvm-gcc. Fall back to gcc if it's not available. 101 for prog in gcc g++ ; do 102 P=$DIR/bin/arm-apple-darwin$DARWIN_VERS-${prog} 103 T=`xcrun -sdk $SDKROOT -find llvm-${prog}` 104 if [ "x$T" = "x" ] ; then 105 T=`xcrun -sdk $SDKROOT -find ${prog}` 106 fi 107 echo '#!/bin/sh' > $P || exit 1 108 echo 'exec '$T' -arch armv7 -isysroot '${SDKROOT}' "$@"' >> $P || exit 1 109 chmod a+x $P || exit 1 110 done 111 112 PATH=$DIR/bin:$PATH 113 # otherwise, try to use llvm-gcc if it's available 114 elif [ $DARWIN_VERS -gt 9 ]; then 115 # If the user has set CC or CXX, respect their wishes. If not, 116 # compile with LLVM-GCC/LLVM-G++ if available; if LLVM is not 117 # available, fall back to usual GCC/G++ default. 118 savedPATH=$PATH ; PATH="/Developer/usr/bin:$PATH" 119 XTMPCC=$(which llvm-gcc) 120 if [ x$CC = x -a x$XTMPCC != x ] ; then export CC=$XTMPCC ; fi 121 XTMPCC=$(which llvm-g++) 122 if [ x$CXX = x -a x$XTMPCC != x ] ; then export CXX=$XTMPCC ; fi 123 PATH=$savedPATH 124 unset XTMPCC savedPATH 125 fi 126 127 if [ "$ARM_HOSTED_BUILD" = yes ]; then 128 configure_opts="--enable-targets=arm --host=arm-apple-darwin10 \ 129 --target=arm-apple-darwin10 --build=i686-apple-darwin10" 130 elif [ "$IOS_SIM_BUILD" = yes ]; then 131 # Use a non-standard "darwin_sim" host triple to trigger a cross-build. 132 configure_opts="--enable-targets=x86 --host=i686-apple-darwin_sim \ 133 --build=i686-apple-darwin10" 134 else 135 configure_opts="--enable-targets=arm,x86,cbe" 136 fi 137 138 if [ \! -f Makefile.config ]; then 139 $SRC_DIR/configure --prefix=$DEST_DIR$DEST_ROOT $configure_opts \ 140 --enable-assertions=$LLVM_ASSERTIONS \ 141 --enable-optimized=$LLVM_OPTIMIZED \ 142 --disable-bindings \ 143 || exit 1 144 fi 145 146 SUBVERSION=`echo $RC_ProjectSourceVersion | sed -e 's/[^.]*\.\([0-9]*\).*/\1/'` 147 148 if [ "x$SUBVERSION" != "x$RC_ProjectSourceVersion" ]; then 149 LLVM_SUBMIT_SUBVERSION=`printf "%02d" $SUBVERSION` 150 RC_ProjectSourceVersion=`echo $RC_ProjectSourceVersion | sed -e 's/\..*//'` 151 LLVM_SUBMIT_VERSION=$RC_ProjectSourceVersion 152 fi 153 154 if [ "x$LLVM_SUBMIT_SUBVERSION" = "x00" -o "x$LLVM_SUBMIT_SUBVERSION" = "x0" ]; then 155 LLVM_VERSION="$LLVM_SUBMIT_VERSION" 156 else 157 LLVM_VERSION="$LLVM_SUBMIT_VERSION-$LLVM_SUBMIT_SUBVERSION" 158 fi 159 160 GCC_VER=`cc --version 2>/dev/null | sed 1q` 161 162 if echo "$GCC_VER" | grep GCC > /dev/null; then 163 GCC_VER=`echo $GCC_VER | sed -e 's/.*(GCC) \([0-9.][0-9.]*\).*/\1/'` 164 MAJ_VER=`echo $GCC_VER | sed 's/\..*//'` 165 MIN_VER=`echo $GCC_VER | sed 's/[^.]*\.\([0-9]*\).*/\1/'` 166 fi 167 168 JOBS_FLAG="" 169 170 # Note: If compiling with GCC 4.0, don't pass the -jN flag. Building universal 171 # already has parallelism and we don't want to make the builders hit swap by 172 # firing off too many gccs at the same time. 173 if [ "x$MAJ_VER" != "x4" -o "x$MIN_VER" != "x0" ]; then 174 # Figure out how many make processes to run. 175 SYSCTL=`sysctl -n hw.activecpu` 176 177 # sysctl -n hw.* does not work when invoked via B&I chroot /BuildRoot. 178 # Builders can default to 2, since even if they are single processor, 179 # nothing else is running on the machine. 180 if [ -z "$SYSCTL" ]; then 181 SYSCTL=2 182 fi 183 184 JOBS_FLAG="-j $SYSCTL" 185 fi 186 187 make $JOBS_FLAG $OPTIMIZE_OPTS UNIVERSAL=1 UNIVERSAL_ARCH="$HOSTS" \ 188 UNIVERSAL_SDK_PATH=$SDKROOT \ 189 NO_RUNTIME_LIBS=1 \ 190 DISABLE_EDIS=1 \ 191 DEBUG_SYMBOLS=1 \ 192 LLVM_SUBMIT_VERSION=$LLVM_SUBMIT_VERSION \ 193 LLVM_SUBMIT_SUBVERSION=$LLVM_SUBMIT_SUBVERSION \ 194 CXXFLAGS="-DLLVM_VERSION_INFO='\" Apple Build #$LLVM_VERSION\"'" \ 195 VERBOSE=1 196 197 if [ $? != 0 ] ; then 198 echo "error: LLVM 'make' failed!" 199 exit 1 200 fi 201 202 ################################################################################ 203 # Construct the actual destination root, by copying stuff from $DIR/dst-* to 204 # $DEST_DIR, with occasional 'lipo' commands. 205 206 cd $DEST_DIR || exit 1 207 208 # Clean out DEST_DIR in case -noclean was passed to buildit. 209 rm -rf * || exit 1 210 211 cd $DIR/obj-llvm || exit 1 212 213 # Install the tree into the destination directory. 214 make $LOCAL_MAKEFLAGS $OPTIMIZE_OPTS UNIVERSAL=1 UNIVERSAL_ARCH="$HOSTS" \ 215 NO_RUNTIME_LIBS=1 \ 216 DISABLE_EDIS=1 \ 217 DEBUG_SYMBOLS=1 \ 218 LLVM_SUBMIT_VERSION=$LLVM_SUBMIT_VERSION \ 219 LLVM_SUBMIT_SUBVERSION=$LLVM_SUBMIT_SUBVERSION \ 220 OPTIMIZE_OPTION='-O3' VERBOSE=1 install 221 222 if ! test $? == 0 ; then 223 echo "error: LLVM 'make install' failed!" 224 exit 1 225 fi 226 227 # Install Version.h 228 LLVM_MINOR_VERSION=`echo $LLVM_SUBMIT_SUBVERSION | sed -e 's,0*\([1-9][0-9]*\),\1,'` 229 if [ "x$LLVM_MINOR_VERSION" = "x" ]; then 230 LLVM_MINOR_VERSION=0 231 fi 232 RC_ProjectSourceSubversion=`printf "%d" $LLVM_MINOR_VERSION` 233 echo "#define LLVM_VERSION ${RC_ProjectSourceVersion}" > $DEST_DIR$DEST_ROOT/include/llvm/Version.h 234 echo "#define LLVM_MINOR_VERSION ${RC_ProjectSourceSubversion}" >> $DEST_DIR$DEST_ROOT/include/llvm/Version.h 235 236 if [ "x$LLVM_DEBUG" != "x1" ]; then 237 # Strip local symbols from llvm libraries. 238 # 239 # Use '-l' to strip i386 modules. N.B. that flag doesn't work with kext or 240 # PPC objects! 241 strip -Sl $DEST_DIR$DEST_ROOT/lib/*.[oa] 242 for f in `ls $DEST_DIR$DEST_ROOT/lib/*.so`; do 243 strip -Sxl $f 244 done 245 fi 246 247 # Copy over the tblgen utility. 248 cp `find $DIR -name tblgen` $DEST_DIR$DEST_ROOT/bin 249 250 # Remove .dir files 251 cd $DEST_DIR$DEST_ROOT 252 rm -f bin/.dir etc/llvm/.dir lib/.dir 253 254 # Remove PPC64 fat slices. 255 cd $DEST_DIR$DEST_ROOT/bin 256 if [ $MACOSX_DEPLOYMENT_TARGET = "10.4" ]; then 257 find . -perm 755 -type f \! \( -name '*gccas' -o -name '*gccld' -o -name llvm-config \) \ 258 -exec lipo -extract ppc -extract i386 {} -output {} \; 259 elif [ $MACOSX_DEPLOYMENT_TARGET = "10.5" ]; then 260 find . -perm 755 -type f \! \( -name '*gccas' -o -name '*gccld' -o -name llvm-config \) \ 261 -exec lipo -extract ppc7400 -extract i386 {} -output {} \; 262 else 263 find . -perm 755 -type f \! \( -name '*gccas' -o -name '*gccld' -o -name llvm-config \) \ 264 -exec lipo -extract i386 -extract x86_64 {} -output {} \; 265 fi 266 267 # The Hello dylib is an example of how to build a pass. 268 # The BugpointPasses module is only used to test bugpoint. 269 # These unversioned dylibs cause verification failures, so do not install them. 270 # (The wildcards are used to match a "lib" prefix if it is present.) 271 rm $DEST_DIR$DEST_ROOT/lib/*LLVMHello.dylib 272 rm $DEST_DIR$DEST_ROOT/lib/*BugpointPasses.dylib 273 274 # Compress manpages 275 MDIR=$DEST_DIR$DEST_ROOT/share/man/man1 276 gzip -f $MDIR/* 277 278 ################################################################################ 279 # Create SYM_DIR with information required for debugging. 280 281 # Figure out how many make processes to run. 282 SYSCTL=`sysctl -n hw.activecpu` 283 284 # hw.activecpu only available in 10.2.6 and later 285 if [ -z "$SYSCTL" ]; then 286 SYSCTL=`sysctl -n hw.ncpu` 287 fi 288 289 # sysctl -n hw.* does not work when invoked via B&I chroot /BuildRoot. Builders 290 # can default to 2, since even if they are single processor, nothing else is 291 # running on the machine. 292 if [ -z "$SYSCTL" ]; then 293 SYSCTL=2 294 fi 295 296 cd $SYM_DIR || exit 1 297 298 # Clean out SYM_DIR in case -noclean was passed to buildit. 299 rm -rf * || exit 1 300 301 # Generate .dSYM files 302 find $DEST_DIR -perm -0111 -type f \ 303 ! \( -name '*.la' -o -name gccas -o -name gccld -o -name llvm-config -o -name '*.a' \) \ 304 -print | xargs -n 1 -P ${SYSCTL} dsymutil 305 306 # Save .dSYM files and .a archives 307 cd $DEST_DIR || exit 1 308 find . \( -path \*.dSYM/\* -or -name \*.a \) -print \ 309 | cpio -pdml $SYM_DIR || exit 1 310 311 # Save source files. 312 mkdir $SYM_DIR/src || exit 1 313 cd $DIR || exit 1 314 find obj-* -name \*.\[chy\] -o -name \*.cpp -print \ 315 | cpio -pdml $SYM_DIR/src || exit 1 316 317 ################################################################################ 318 # Install and strip libLTO.dylib 319 320 cd $DEST_DIR$DEST_ROOT 321 if [ "$INSTALL_LIBLTO" = "yes" ]; then 322 DT_HOME="$DEST_DIR/Developer/usr" 323 mkdir -p $DT_HOME/lib 324 mv lib/libLTO.dylib $DT_HOME/lib/libLTO.dylib 325 326 # Save a copy of the unstripped dylib 327 mkdir -p $SYM_DIR/Developer/usr/lib 328 cp $DT_HOME/lib/libLTO.dylib $SYM_DIR/Developer/usr/lib/libLTO.dylib 329 330 # Use '-l' to strip i386 modules. N.B. that flag doesn't work with kext or 331 # PPC objects! 332 strip -arch all -Sl $DT_HOME/lib/libLTO.dylib 333 334 if [ "x$DISABLE_USR_LINKS" == "x" ]; then 335 # Add a symlink in /usr/lib for B&I. 336 mkdir -p $DEST_DIR/usr/lib/ 337 (cd $DEST_DIR/usr/lib && \ 338 ln -s ../../Developer/usr/lib/libLTO.dylib ./libLTO.dylib) 339 fi 340 else 341 rm -f lib/libLTO.dylib 342 fi 343 rm -f lib/libLTO.a lib/libLTO.la 344 345 # Omit lto.h from the result. Clang will supply. 346 find $DEST_DIR$DEST_ROOT -name lto.h -delete 347 348 ################################################################################ 349 # Remove debugging information from DEST_DIR. 350 351 cd $DIR || exit 1 352 353 find $DEST_DIR -name \*.a -print | xargs ranlib || exit 1 354 find $DEST_DIR -name \*.dSYM -print | xargs rm -r || exit 1 355 356 # Strip debugging information from files 357 # 358 # Use '-l' to strip i386 modules. N.B. that flag doesn't work with kext or 359 # PPC objects! 360 find $DEST_DIR -perm -0111 -type f \ 361 ! \( -name '*.la' -o -name gccas -o -name gccld -o -name llvm-config \) \ 362 -print | xargs -n 1 -P ${SYSCTL} strip -arch all -Sl 363 364 chgrp -h -R wheel $DEST_DIR 365 chgrp -R wheel $DEST_DIR 366 367 ################################################################################ 368 # Remove the docs directory 369 370 rm -rf $DEST_DIR$DEST_ROOT/docs 371 372 ################################################################################ 373 # w00t! Done! 374 375 exit 0 376
